Add Yahoo as a preferred source to see more of our stories on Google. Many parents have had to play the role of a substitute math teacher during the pandemic. damircudic/E+ via Getty Images In his ...

A key part—though surely not the only part—of early-grades math is ensuring students get the basic arithmetic functions down and, beyond that, making sure they’re able to swiftly and automatically ...

We teach the wrong math, tested in the wrong way, writes Ted Dintersmith.